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cause of abortion in first trimester

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https://www.readbyqxmd.com/read/28326648/changes-in-expression-of-the-cd200-tolerance-signaling-molecule-and-its-receptor-cd200r-by-villus-trophoblasts-during-first-trimester-missed-abortion-and-in-chronic-histiocytic-intervillositis
#1
David A Clark, Jennifer M Dmetrichuk, Elizabeth McCready, Sukhbinder Dhesy-Thind, Jorge L Arredondo
PROBLEM: Expression of CD200 at the feto-maternal interface is associated with successful murine and human pregnancy. CD200 binding to CD200 receptors on lymphomyeloid cells suppresses inflammation and induces Tregs. CD200 receptors are also expressed on mouse and human placental trophoblast cells. What is the expression of CD200 and CD200R in human missed abortions which have preserved Treg levels and in chronic histiocytic intervillositis (CHI) where maternal inflammatory cells cause IUGR? METHODS: Immunohistiochemistry for CD200, CD200R, and Ki67 using human placental sections from missed abortions, term placenta, and CHI...
March 22, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28299234/different-sonographic-faces-of-ectopic-pregnancy
#2
Charu Chanana, Nishant Gupta, Itisha Bansal, Kusum Hooda, Pranav Sharma, Mohit Gupta, Darshan Gandhi, Yogesh Kumar
Vaginal bleeding in the first trimester has wide differential diagnoses, the most common being a normal early intrauterine pregnancy, with other potential causes including spontaneous abortion and ectopic pregnancy. The incidence of ectopic pregnancy is approximately 2% of all reported pregnancies and is one of the leading causes of maternal mortality worldwide. Clinical signs and symptoms of ectopic pregnancy are often nonspecific. History of pelvic pain with bleeding and positive β-human chorionic gonadotropin should raise the possibility of ectopic pregnancy...
2017: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/28257646/a-decade-of-progress-providing-safe-abortion-services-in-ethiopia-results-of-national-assessments-in-2008-and-2014
#3
Yohannes Dibaba, Sally Dijkerman, Tamara Fetters, Ann Moore, Hailemichael Gebreselassie, Yirgu Gebrehiwot, Janie Benson
BACKGROUND: Ethiopia has one of the highest maternal mortality ratios in the world (420 per 100,000 live births in 2013), and unsafe abortion continues to be one of the major causes. To reduce deaths and disabilities from unsafe abortion, Ethiopia liberalized its abortion law in 2005 to allow safe abortion under certain conditions. This study aimed to measure how availability and utilization of safe abortion services has changed in the last decade in Ethiopia. METHODS: This paper draws on results from nationally representative health facility studies conducted in Ethiopia in 2008 and 2014...
March 4, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28217618/recurrent-first-trimester-abortion-in-a-young-female-rare-presentation-of-takayasu-arteritis
#4
Suruchi Gupta, Puneet Chhabra, Nikhil Gupta, Parul Aggarwal
Takayasu arteritis (TA) is a chronic, progressive, autoimmune, idiopathic, and large-vessel vasculitis that usually affects young adults, especially females. TA primarily affects the aorta and its major branches, the coronary arteries, and the pulmonary arteries. Recurrent pregnancy loss is usually defined as three or more consecutive losses occurring at <20 weeks' gestation of a clinically recognized pregnancy. Common causes of recurrent fetal loss include anatomic, chromosomal, hormonal, infectious, or antiphospholipid antibody syndrome...
July 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28102101/thyroid-in-pregnancy-from-physiology-to-screening
#5
Drahomira Springer, Jan Jiskra, Zdenka Limanova, Tomas Zima, Eliska Potlukova
Thyroid hormones are crucial for the growth and maturation of many target tissues, especially the brain and skeleton. During critical periods in the first trimester of pregnancy, maternal thyroxine is essential for fetal development as it supplies thyroid hormone-dependent tissues. The ontogeny of mature thyroid function involves organogenesis, and maturation of the hypothalamus, pituitary and the thyroid gland; and it is almost complete by the 12th-14th gestational week. In case of maternal hypothyroidism, substitution with levothyroxine must be started in early pregnancy...
January 19, 2017: Critical Reviews in Clinical Laboratory Sciences
https://www.readbyqxmd.com/read/28079434/previous-pregnancy-outcomes-and-subsequent-pregnancy-anxiety-in-a-quebec-prospective-cohort
#6
Gabriel D Shapiro, Jean R Séguin, Gina Muckle, Patricia Monnier, William D Fraser
INTRODUCTION: Pregnancy anxiety is an important psychosocial risk factor that may be more strongly associated with adverse birth outcomes than other measures of stress. Better understanding of the upstream predictors and causes of pregnancy anxiety could help to identify high-risk women for adverse maternal and infant outcomes. The objective of the present study was to measure the associations between five past pregnancy outcomes (live preterm birth (PTB), live term birth, miscarriage at <20 weeks, stillbirth at ≥20 weeks, and elective abortion) and pregnancy anxiety at three trimesters in a subsequent pregnancy...
January 12, 2017: Journal of Psychosomatic Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28042412/molecular-detection-and-genotypic-characterization-of-toxoplasma-gondii-in-paraffin-embedded-fetoplacental-tissues-of-women-with-recurrent-spontaneous-abortion
#7
Amir Abdoli, Abdolhossein Dalimi, Haleh Soltanghoraee, Fatemeh Ghaffarifar
BACKGROUND: Congenital toxoplasmosis is an important cause of spontaneous abortion worldwide. However, there is limited information on detection and genotypic characterization of Toxoplasma gondii (T. gondii) in women with recurrent spontaneous abortion (RSA). The aim of this study is the molecular detection and genotypic characterization of T. gondii in formalin-fixed, paraffin-embedded fetoplacental tissues (FFPTs) of women with RSA that have referred to the Avicenna Research Institute in Tehran, Iran...
January 2017: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/27968917/current-smoking-in-pregnant-women-in-five-geographical-areas-of-china-a-cross-sectional-survey
#8
Xianglong Xu, Yunshuang Rao, Sha Deng, Sheng Liu, Jeff J Guo, Manoj Sharma, Yong Zhao
BACKGROUND: Smoking during pregnancy is related to many adverse outcomes on infants. Smoking during pregnancy can cause abortion, premature birth, stillbirth, increased sudden infant death risk, and low birthweight. The aim of this study was to probe the differences in smoking among pregnant women with diverse characteristics. METHODS: In this cross-sectional study, 2345 pregnant women aged 18 years and older were surveyed in person by investigators from June 1, to Aug 31, 2015, from 16 hospitals in five provinces of Mainland China (Chongqing, Chengdu, Zunyi, Liaocheng, and Tianjin)...
October 2016: Lancet
https://www.readbyqxmd.com/read/27925163/induced-abortion-and-mental-health
#9
LETTER
Oskari Heikinheimo, Elina Pohjoranta, Elena Toffol, Satu Suhonen, Timo Partonen
No abstract text is available yet for this article.
December 7, 2016: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/27752285/molecular-cytogenetic-analysis-of-early-spontaneous-abortions-conceived-from-varying-assisted-reproductive-technology-procedures
#10
Tonghua Wu, Biao Yin, Yuanchang Zhu, Guangui Li, Lijun Ye, Chunmei Chen, Yong Zeng, Desheng Liang
BACKGROUND: Spontaneous abortion (SA) is the most common complication of pregnancy, and chromosome aberrations are the principal cause of the first trimester abortuses in natural conception (NC) The increasing use of assisted reproductive technology (ART) has raised concern about chromosome abnormalities in ART-initiated pregnancies. Up to date, the literature on the risk of aneuploidy in failed pregnancies among various ART factors remain limited and inconclusive. This study aimed to explore the genetic etiology of pregnancy loss conceived from varying ART procedures...
2016: Molecular Cytogenetics
https://www.readbyqxmd.com/read/27490204/critical-review-of-the-current-recommendations-for-the-treatment-of-systemic-inflammatory-rheumatic-diseases-during-pregnancy-and-lactation
#11
REVIEW
Roger A Levy, Guilherme R de Jesús, Nilson R de Jesús, Evandro M Klumb
The crucial issue for a better pregnancy outcome in women with autoimmune rheumatic diseases is appropriate planning, with counseling of the ideal timing and treatment adaptation. Drugs used to treat rheumatic diseases may interfere with fertility or increase the risk of miscarriages and congenital abnormalities. MTX use post-conception is clearly linked to abortions as well as major birth defects, so it should be stopped 3months before conception. Leflunomide causes abnormalities in animals even in low doses...
October 2016: Autoimmunity Reviews
https://www.readbyqxmd.com/read/27478773/homozygosity-for-a-robertsonian-translocation-13q-14q-in-a-phenotypically-normal-44-xx-female-with-a-history-of-recurrent-abortion-and-a-normal-pregnancy-outcome
#12
Mohammad Miryounesi, Mehdi Diantpour, Elahe Motevaseli, Soudeh Ghafouri-Fard
BACKGROUND: Robertsonian translocations are structural chromosomal abnormalities caused by fusion of two acrocentric chromosomes. In carriers of such translocations, different modes of segregations would result in the formation of either balanced (alternate segregation mode) or unbalanced (adjacent 1, adjacent 2, and 3:1 segregation modes) gametes. In addition, there is an increased risk for imprinting disorders in their offspring. Although it has been estimated that 1/1000 healthy persons carry a Robertsonian translocation, homozygosity for this type of structural chromosomal abnormality has been reported rarely...
July 2016: Journal of Reproduction & Infertility
https://www.readbyqxmd.com/read/27437309/a-comparative-study-to-evaluate-the-efficacy-of-vaginal-vs-oral-prostaglandin-e1-analogue-misoprostol-in-management-of-first-trimester-missed-abortion
#13
Sheeba Marwah, Supriya Gupta, Neera Parothi Batra, Vidhu Bhasin, Veena Sarna, Nirlep Kaur
INTRODUCTION: Missed miscarriages, occurring in upto 15% of all clinically recognized pregnancies are a cause of concern for the patients. Though many researchers in the past have compared the surgical and medical approaches in management of such patients, only a few have executed an appraisal of two routes of misoprostol at equal dosages in treatment of first trimester missed miscarriages. AIM: To compare the efficacy of misoprostol by vaginal and oral route, for the management of first trimester missed abortion; and to recognize the utility of misoprostol for cervical dilation prior to any surgical termination of pregnancy...
May 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27363040/genetic-polymorphism-of-toxoplasma-gondii-from-recently-infected-aborted-egyptian-women
#14
Mohamed S Badr, Samar S Attia, Walid S El-Sherbiny, El Ebidi Abd-Allah M A, Hesham M Hefny, Ahmed N M Salem
Toxoplasmosis caused by Toxoplasma gondii is one of the most prevalent parasitic diseases in human beings. Human toxoplasmosis can be associated with serious clinical manifestations, particularly in developing fetus. The aim of the current study was to identify the possible lineage type of Toxoplasma gondii, molecularly detected in placental samples of women whose pregnancies were spontaneously terminated in the first trimester. Preliminary detection of Toxoplasma genomic materials was done by a SYBR green qPCR technology...
April 2016: Journal of the Egyptian Society of Parasitology
https://www.readbyqxmd.com/read/27256633/early-detection-of-bilateral-cataracts-in-utero-may-represent-a-manifestation-of-severe-congenital-disease
#15
Marie Trkova, Martin Hynek, Lubica Dudakova, Vera Becvarova, Martin Hlozanek, Dagmar Raskova, Andrea L Vincent, Petra Liskova
We observed bilateral cataracts on second trimester ultrasound, in two consecutive pregnancies, with no other structural defects detected. The parents were unrelated and had no family history for the disease. The first pregnancy was terminated in week 22. Copy number variation analysis revealed, in both the aborted fetus and the mother, a 495 kb duplication at 22q11.23 encompassing CRYBB3 and CRYBB2, and not present in variation databases. In the second pregnancy, lens hyperechogenicity was detected by ultrasound at week 13 and 4 days...
July 2016: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/27234883/laparoscopic-management-of-uterine-rupture-after-early-second-trimester-medical-abortion-in-a-patient-with-a-prior-cesarean-section
#16
Ahmed Namazov, Leonti Grin, Michael Volodarsky, Eyal Anteby, Ofer Gemer
STUDY OBJECTIVE: To show the possibility of laparoscopic management of uterine rupture. DESIGN: Video with explanations. SETTING: In the medical management with misoprostol for termination of pregnancy at any time the risk of uterine rupture may be possible. The risk is likely higher in women with a previous uterus surgery. In a systematic review of available studies, the risk of rupture was .28% among women with a prior cesarean delivery who were undergoing second-trimester misoprostol-induced abortion, meaning if 414 women with a history of cesarean delivery were given misoprostol for second-trimester abortion, 1 would experience uterine rupture...
September 2016: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/27194385/pregnancy-outcome-following-maternal-exposure-to-pregabalin-may-call-for-concern
#17
Ursula Winterfeld, Paul Merlob, David Baud, Valentin Rousson, Alice Panchaud, Laura E Rothuizen, Nathalie Bernard, Thierry Vial, Laura M Yates, Alessandra Pistelli, Maria Ellfolk, Georgios Eleftheriou, Loes C de Vries, Annie-Pierre Jonville-Bera, Mine Kadioglu, Jerome Biollaz, Thierry Buclin
OBJECTIVE: To investigate pregnancy outcomes following maternal use of pregabalin. METHODS: This multicenter, observational prospective cohort study compared pregnancy outcomes in women exposed to pregabalin with those of matched controls (not exposed to any medications known to be teratogenic or to any antiepileptic drugs). Teratology Information Services systematically collected data between 2004 and 2013. RESULTS: Data were collected from 164 exposed pregnancies and 656 controls...
June 14, 2016: Neurology
https://www.readbyqxmd.com/read/27154242/ongoing-pharmacological-management-of-chronic-pain-in-pregnancy
#18
REVIEW
Bengt Källén, Margareta Reis
The article discusses possible effects of the use of analgesics during pregnancy. It summarizes the pertinent literature and reports some previously unpublished data from the Swedish Medical Birth Register. Most likely the use of analgesics does not cause spontaneous abortion. Only small malformation risk increases are seen after the use of opioids and perhaps non-steroid anti-inflammatory drug (NSAID) use. If possible, the latter should be avoided during the first trimester. If exposure has occurred there is no reason to consider an interruption of the pregnancy...
June 2016: Drugs
https://www.readbyqxmd.com/read/27132432/a-rare-occurrence-of-three-consecutive-autosomal-trisomic-pregnancies-in-a-couple-without-offspring
#19
F Burada, S Sosoi, D Iliescu, M Ioana, D Cernea, S Tudorache
BACKGROUND: Trisomies are the most common chromosomal abnormalities, being a major cause of pregnancy loss in the first trimester. Data from preimplantation embryos support the concept of recurrent aneuploidy in women with recurrent abortion. CASE: The authors report a rare case with three different consecutive trisomic pregnancies: 47,XY,+21, 47,XX,+9, and 47,XX,+18. All pregnancies resulted from the same relationship and no consanguinity was present. Standard clinical cytogenetic analysis indicated that both members had normal peripheral blood karyotype, with no evidence of mosaicism in either patient or her partner...
2016: Clinical and Experimental Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27027424/spontaneous-resolution-of-post-delivery-or-post-abortion-uterine-artery-pseudoaneurysm-a-report-of-three-cases
#20
Hironori Takahashi, Yosuke Baba, Rie Usui, Akihide Ohkuchi, Shigeyoshi Kijima, Shigeki Matsubara
Post-delivery/-abortion uterine artery pseudoaneurysm (UAP) sometimes causes life-threatening bleeding, requiring transarterial embolization (TAE). It is unclear whether some UAP resolve spontaneously. In three patients, UAP resolved spontaneously without TAE. Case 1 was after vacuum delivery with slight bleeding: at day 5 post-partum, a yin-yang sign on Color Doppler and an enhanced intrauterine sac-like structure were observed, leading to the diagnosis of UAP, which disappeared at 4 weeks post-partum. Case 2 was after vacuum delivery with manual placental removal and was asymptomatic: a hypoechoic intrauterine mass with a yin-yang sign were observed during a post-partum routine check-up and the intrauterine flow disappeared at 4 weeks post-partum...
March 30, 2016: Journal of Obstetrics and Gynaecology Research
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